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<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="xmlsec-bn.top_of_page"></a>bn</span></h2>
<p>bn &#8212; Big numbers support functions.</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="xmlsec-bn.stability-level"></a><h2>Stability Level</h2>
<a href="http://foldoc.org/Stable"><span class="acronym">Stable</span></a>, unless otherwise indicated
</div>
<div class="refsect1">
<a name="xmlsec-bn.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col>
<col>
</colgroup>
<tbody>
<tr>
<td class="function_type">
<font><span class="returnvalue">xmlSecBnPtr</span></font>
</td>
<td class="function_name">
<a class="link" href="xmlsec-bn.html#xmlSecBnCreate" title="xmlSecBnCreate ()">xmlSecBnCreate</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<font><span class="returnvalue">void</span></font>
</td>
<td class="function_name">
<a class="link" href="xmlsec-bn.html#xmlSecBnDestroy" title="xmlSecBnDestroy ()">xmlSecBnDestroy</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<font><span class="returnvalue">int</span></font>
</td>
<td class="function_name">
<a class="link" href="xmlsec-bn.html#xmlSecBnInitialize" title="xmlSecBnInitialize ()">xmlSecBnInitialize</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<font><span class="returnvalue">void</span></font>
</td>
<td class="function_name">
<a class="link" href="xmlsec-bn.html#xmlSecBnFinalize" title="xmlSecBnFinalize ()">xmlSecBnFinalize</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="xmlsec-xmlsec.html#xmlSecByte" title="xmlSecByte"><span class="returnvalue">xmlSecByte</span></a> *
</td>
<td class="function_name">
<a class="link" href="xmlsec-bn.html#xmlSecBnGetData" title="xmlSecBnGetData ()">xmlSecBnGetData</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<font><span class="returnvalue">int</span></font>
</td>
<td class="function_name">
<a class="link" href="xmlsec-bn.html#xmlSecBnSetData" title="xmlSecBnSetData ()">xmlSecBnSetData</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="xmlsec-xmlsec.html#xmlSecSize" title="xmlSecSize"><span class="returnvalue">xmlSecSize</span></a>
</td>
<td class="function_name">
<a class="link" href="xmlsec-bn.html#xmlSecBnGetSize" title="xmlSecBnGetSize ()">xmlSecBnGetSize</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<font><span class="returnvalue">void</span></font>
</td>
<td class="function_name">
<a class="link" href="xmlsec-bn.html#xmlSecBnZero" title="xmlSecBnZero ()">xmlSecBnZero</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<font><span class="returnvalue">int</span></font>
</td>
<td class="function_name">
<a class="link" href="xmlsec-bn.html#xmlSecBnFromString" title="xmlSecBnFromString ()">xmlSecBnFromString</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<font><span class="returnvalue">xmlChar</span></font> *
</td>
<td class="function_name">
<a class="link" href="xmlsec-bn.html#xmlSecBnToString" title="xmlSecBnToString ()">xmlSecBnToString</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<font><span class="returnvalue">int</span></font>
</td>
<td class="function_name">
<a class="link" href="xmlsec-bn.html#xmlSecBnFromHexString" title="xmlSecBnFromHexString ()">xmlSecBnFromHexString</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<font><span class="returnvalue">xmlChar</span></font> *
</td>
<td class="function_name">
<a class="link" href="xmlsec-bn.html#xmlSecBnToHexString" title="xmlSecBnToHexString ()">xmlSecBnToHexString</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<font><span class="returnvalue">int</span></font>
</td>
<td class="function_name">
<a class="link" href="xmlsec-bn.html#xmlSecBnFromDecString" title="xmlSecBnFromDecString ()">xmlSecBnFromDecString</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<font><span class="returnvalue">xmlChar</span></font> *
</td>
<td class="function_name">
<a class="link" href="xmlsec-bn.html#xmlSecBnToDecString" title="xmlSecBnToDecString ()">xmlSecBnToDecString</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<font><span class="returnvalue">int</span></font>
</td>
<td class="function_name">
<a class="link" href="xmlsec-bn.html#xmlSecBnMul" title="xmlSecBnMul ()">xmlSecBnMul</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<font><span class="returnvalue">int</span></font>
</td>
<td class="function_name">
<a class="link" href="xmlsec-bn.html#xmlSecBnDiv" title="xmlSecBnDiv ()">xmlSecBnDiv</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<font><span class="returnvalue">int</span></font>
</td>
<td class="function_name">
<a class="link" href="xmlsec-bn.html#xmlSecBnAdd" title="xmlSecBnAdd ()">xmlSecBnAdd</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<font><span class="returnvalue">int</span></font>
</td>
<td class="function_name">
<a class="link" href="xmlsec-bn.html#xmlSecBnReverse" title="xmlSecBnReverse ()">xmlSecBnReverse</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<font><span class="returnvalue">int</span></font>
</td>
<td class="function_name">
<a class="link" href="xmlsec-bn.html#xmlSecBnCompare" title="xmlSecBnCompare ()">xmlSecBnCompare</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<font><span class="returnvalue">int</span></font>
</td>
<td class="function_name">
<a class="link" href="xmlsec-bn.html#xmlSecBnCompareReverse" title="xmlSecBnCompareReverse ()">xmlSecBnCompareReverse</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<font><span class="returnvalue">int</span></font>
</td>
<td class="function_name">
<a class="link" href="xmlsec-bn.html#xmlSecBnGetNodeValue" title="xmlSecBnGetNodeValue ()">xmlSecBnGetNodeValue</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<font><span class="returnvalue">int</span></font>
</td>
<td class="function_name">
<a class="link" href="xmlsec-bn.html#xmlSecBnSetNodeValue" title="xmlSecBnSetNodeValue ()">xmlSecBnSetNodeValue</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<font><span class="returnvalue">int</span></font>
</td>
<td class="function_name">
<a class="link" href="xmlsec-bn.html#xmlSecBnBlobSetNodeValue" title="xmlSecBnBlobSetNodeValue ()">xmlSecBnBlobSetNodeValue</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="xmlsec-bn.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col>
<col>
</colgroup>
<tbody><tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="xmlsec-bn.html#xmlSecBnFormat" title="enum xmlSecBnFormat">xmlSecBnFormat</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="xmlsec-bn.description"></a><h2>Description</h2>
<p></p>
</div>
<div class="refsect1">
<a name="xmlsec-bn.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="xmlSecBnCreate"></a><h3>xmlSecBnCreate ()</h3>
<pre class="programlisting"><font><span class="returnvalue">xmlSecBnPtr</span></font>
xmlSecBnCreate (<em class="parameter"><code><a class="link" href="xmlsec-xmlsec.html#xmlSecSize" title="xmlSecSize"><span class="type">xmlSecSize</span></a> size</code></em>);</pre>
<p>Creates a new BN object. Caller is responsible for destroying it
by calling <em class="parameter"><code>xmlSecBnDestroy</code></em>
 function.</p>
<div class="refsect3">
<a name="xmlSecBnCreate.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col>
<col>
<col>
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>size</p></td>
<td class="parameter_description"><p>the initial allocated BN size.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="xmlSecBnCreate.returns"></a><h4>Returns</h4>
<p> the newly BN or a NULL if an error occurs.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="xmlSecBnDestroy"></a><h3>xmlSecBnDestroy ()</h3>
<pre class="programlisting"><font><span class="returnvalue">void</span></font>
xmlSecBnDestroy (<em class="parameter"><code><font><span class="type">xmlSecBnPtr</span></font> bn</code></em>);</pre>
<p>Destroys <em class="parameter"><code>bn</code></em>
 object created with <em class="parameter"><code>xmlSecBnCreate</code></em>
 function.</p>
<div class="refsect3">
<a name="xmlSecBnDestroy.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col>
<col>
<col>
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>bn</p></td>
<td class="parameter_description"><p>the pointer to BN.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="xmlSecBnInitialize"></a><h3>xmlSecBnInitialize ()</h3>
<pre class="programlisting"><font><span class="returnvalue">int</span></font>
xmlSecBnInitialize (<em class="parameter"><code><font><span class="type">xmlSecBnPtr</span></font> bn</code></em>,
                    <em class="parameter"><code><a class="link" href="xmlsec-xmlsec.html#xmlSecSize" title="xmlSecSize"><span class="type">xmlSecSize</span></a> size</code></em>);</pre>
<p>Initializes a BN object. Caller is responsible for destroying it
by calling <em class="parameter"><code>xmlSecBnFinalize</code></em>
 function.</p>
<div class="refsect3">
<a name="xmlSecBnInitialize.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col>
<col>
<col>
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>bn</p></td>
<td class="parameter_description"><p>the pointer to BN.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>size</p></td>
<td class="parameter_description"><p>the initial allocated BN size.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="xmlSecBnInitialize.returns"></a><h4>Returns</h4>
<p> 0 on success or a negative value if an error occurs.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="xmlSecBnFinalize"></a><h3>xmlSecBnFinalize ()</h3>
<pre class="programlisting"><font><span class="returnvalue">void</span></font>
xmlSecBnFinalize (<em class="parameter"><code><font><span class="type">xmlSecBnPtr</span></font> bn</code></em>);</pre>
<p>Destroys <em class="parameter"><code>bn</code></em>
 object created with <em class="parameter"><code>xmlSecBnInitialize</code></em>
 function.</p>
<div class="refsect3">
<a name="xmlSecBnFinalize.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col>
<col>
<col>
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>bn</p></td>
<td class="parameter_description"><p>the pointer to BN.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="xmlSecBnGetData"></a><h3>xmlSecBnGetData ()</h3>
<pre class="programlisting"><a class="link" href="xmlsec-xmlsec.html#xmlSecByte" title="xmlSecByte"><span class="returnvalue">xmlSecByte</span></a> *
xmlSecBnGetData (<em class="parameter"><code><font><span class="type">xmlSecBnPtr</span></font> bn</code></em>);</pre>
<p>Gets pointer to the binary <em class="parameter"><code>bn</code></em>
 representation.</p>
<div class="refsect3">
<a name="xmlSecBnGetData.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col>
<col>
<col>
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>bn</p></td>
<td class="parameter_description"><p>the pointer to BN.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="xmlSecBnGetData.returns"></a><h4>Returns</h4>
<p> pointer to binary BN data or NULL if an error occurs.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="xmlSecBnSetData"></a><h3>xmlSecBnSetData ()</h3>
<pre class="programlisting"><font><span class="returnvalue">int</span></font>
xmlSecBnSetData (<em class="parameter"><code><font><span class="type">xmlSecBnPtr</span></font> bn</code></em>,
                 <em class="parameter"><code>const <a class="link" href="xmlsec-xmlsec.html#xmlSecByte" title="xmlSecByte"><span class="type">xmlSecByte</span></a> *data</code></em>,
                 <em class="parameter"><code><a class="link" href="xmlsec-xmlsec.html#xmlSecSize" title="xmlSecSize"><span class="type">xmlSecSize</span></a> size</code></em>);</pre>
<p>Sets the value of <em class="parameter"><code>bn</code></em>
 to <em class="parameter"><code>data</code></em>
.</p>
<div class="refsect3">
<a name="xmlSecBnSetData.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col>
<col>
<col>
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>bn</p></td>
<td class="parameter_description"><p>the pointer to BN.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>data</p></td>
<td class="parameter_description"><p>the pointer to new BN binary data.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>size</p></td>
<td class="parameter_description"><p>the size of new BN data.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="xmlSecBnSetData.returns"></a><h4>Returns</h4>
<p> 0 on success or a negative value if an error occurs.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="xmlSecBnGetSize"></a><h3>xmlSecBnGetSize ()</h3>
<pre class="programlisting"><a class="link" href="xmlsec-xmlsec.html#xmlSecSize" title="xmlSecSize"><span class="returnvalue">xmlSecSize</span></a>
xmlSecBnGetSize (<em class="parameter"><code><font><span class="type">xmlSecBnPtr</span></font> bn</code></em>);</pre>
<p>Gets the size of binary data in <em class="parameter"><code>bn</code></em>
.</p>
<div class="refsect3">
<a name="xmlSecBnGetSize.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col>
<col>
<col>
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>bn</p></td>
<td class="parameter_description"><p>the pointer to BN.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="xmlSecBnGetSize.returns"></a><h4>Returns</h4>
<p> the size of binary data.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="xmlSecBnZero"></a><h3>xmlSecBnZero ()</h3>
<pre class="programlisting"><font><span class="returnvalue">void</span></font>
xmlSecBnZero (<em class="parameter"><code><font><span class="type">xmlSecBnPtr</span></font> bn</code></em>);</pre>
<p>Sets the value of <em class="parameter"><code>bn</code></em>
 to zero.</p>
<div class="refsect3">
<a name="xmlSecBnZero.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col>
<col>
<col>
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>bn</p></td>
<td class="parameter_description"><p>the pointer to BN.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="xmlSecBnFromString"></a><h3>xmlSecBnFromString ()</h3>
<pre class="programlisting"><font><span class="returnvalue">int</span></font>
xmlSecBnFromString (<em class="parameter"><code><font><span class="type">xmlSecBnPtr</span></font> bn</code></em>,
                    <em class="parameter"><code>const <font><span class="type">xmlChar</span></font> *str</code></em>,
                    <em class="parameter"><code><a class="link" href="xmlsec-xmlsec.html#xmlSecSize" title="xmlSecSize"><span class="type">xmlSecSize</span></a> base</code></em>);</pre>
<p>Reads <em class="parameter"><code>bn</code></em>
 from string <em class="parameter"><code>str</code></em>
 assuming it has base <em class="parameter"><code>base</code></em>
.</p>
<div class="refsect3">
<a name="xmlSecBnFromString.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col>
<col>
<col>
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>bn</p></td>
<td class="parameter_description"><p>the pointer to BN.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>str</p></td>
<td class="parameter_description"><p>the string with BN.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>base</p></td>
<td class="parameter_description"><p>the base for <em class="parameter"><code>str</code></em>
.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="xmlSecBnFromString.returns"></a><h4>Returns</h4>
<p> 0 on success or a negative value if an error occurs.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="xmlSecBnToString"></a><h3>xmlSecBnToString ()</h3>
<pre class="programlisting"><font><span class="returnvalue">xmlChar</span></font> *
xmlSecBnToString (<em class="parameter"><code><font><span class="type">xmlSecBnPtr</span></font> bn</code></em>,
                  <em class="parameter"><code><a class="link" href="xmlsec-xmlsec.html#xmlSecSize" title="xmlSecSize"><span class="type">xmlSecSize</span></a> base</code></em>);</pre>
<p>Writes <em class="parameter"><code>bn</code></em>
 to string with base <em class="parameter"><code>base</code></em>
. Caller is responsible for
freeing returned string with <em class="parameter"><code>xmlFree</code></em>
.</p>
<div class="refsect3">
<a name="xmlSecBnToString.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col>
<col>
<col>
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>bn</p></td>
<td class="parameter_description"><p>the pointer to BN.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>base</p></td>
<td class="parameter_description"><p>the base for returned string.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="xmlSecBnToString.returns"></a><h4>Returns</h4>
<p> the string represenataion if BN or a NULL if an error occurs.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="xmlSecBnFromHexString"></a><h3>xmlSecBnFromHexString ()</h3>
<pre class="programlisting"><font><span class="returnvalue">int</span></font>
xmlSecBnFromHexString (<em class="parameter"><code><font><span class="type">xmlSecBnPtr</span></font> bn</code></em>,
                       <em class="parameter"><code>const <font><span class="type">xmlChar</span></font> *str</code></em>);</pre>
<p>Reads <em class="parameter"><code>bn</code></em>
 from hex string <em class="parameter"><code>str</code></em>
.</p>
<div class="refsect3">
<a name="xmlSecBnFromHexString.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col>
<col>
<col>
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>bn</p></td>
<td class="parameter_description"><p>the pointer to BN.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>str</p></td>
<td class="parameter_description"><p>the string with BN.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="xmlSecBnFromHexString.returns"></a><h4>Returns</h4>
<p> 0 on success or a negative value if an error occurs.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="xmlSecBnToHexString"></a><h3>xmlSecBnToHexString ()</h3>
<pre class="programlisting"><font><span class="returnvalue">xmlChar</span></font> *
xmlSecBnToHexString (<em class="parameter"><code><font><span class="type">xmlSecBnPtr</span></font> bn</code></em>);</pre>
<p>Writes <em class="parameter"><code>bn</code></em>
 to hex string. Caller is responsible for
freeing returned string with <em class="parameter"><code>xmlFree</code></em>
.</p>
<div class="refsect3">
<a name="xmlSecBnToHexString.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col>
<col>
<col>
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>bn</p></td>
<td class="parameter_description"><p>the pointer to BN.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="xmlSecBnToHexString.returns"></a><h4>Returns</h4>
<p> the string represenataion if BN or a NULL if an error occurs.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="xmlSecBnFromDecString"></a><h3>xmlSecBnFromDecString ()</h3>
<pre class="programlisting"><font><span class="returnvalue">int</span></font>
xmlSecBnFromDecString (<em class="parameter"><code><font><span class="type">xmlSecBnPtr</span></font> bn</code></em>,
                       <em class="parameter"><code>const <font><span class="type">xmlChar</span></font> *str</code></em>);</pre>
<p>Reads <em class="parameter"><code>bn</code></em>
 from decimal string <em class="parameter"><code>str</code></em>
.</p>
<div class="refsect3">
<a name="xmlSecBnFromDecString.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col>
<col>
<col>
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>bn</p></td>
<td class="parameter_description"><p>the pointer to BN.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>str</p></td>
<td class="parameter_description"><p>the string with BN.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="xmlSecBnFromDecString.returns"></a><h4>Returns</h4>
<p> 0 on success or a negative value if an error occurs.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="xmlSecBnToDecString"></a><h3>xmlSecBnToDecString ()</h3>
<pre class="programlisting"><font><span class="returnvalue">xmlChar</span></font> *
xmlSecBnToDecString (<em class="parameter"><code><font><span class="type">xmlSecBnPtr</span></font> bn</code></em>);</pre>
<p>Writes <em class="parameter"><code>bn</code></em>
 to decimal string. Caller is responsible for
freeing returned string with <em class="parameter"><code>xmlFree</code></em>
.</p>
<div class="refsect3">
<a name="xmlSecBnToDecString.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col>
<col>
<col>
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>bn</p></td>
<td class="parameter_description"><p>the pointer to BN.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="xmlSecBnToDecString.returns"></a><h4>Returns</h4>
<p> the string represenataion if BN or a NULL if an error occurs.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="xmlSecBnMul"></a><h3>xmlSecBnMul ()</h3>
<pre class="programlisting"><font><span class="returnvalue">int</span></font>
xmlSecBnMul (<em class="parameter"><code><font><span class="type">xmlSecBnPtr</span></font> bn</code></em>,
             <em class="parameter"><code><font><span class="type">int</span></font> multiplier</code></em>);</pre>
<p>Multiplies <em class="parameter"><code>bn</code></em>
 with <em class="parameter"><code>multiplier</code></em>
.</p>
<div class="refsect3">
<a name="xmlSecBnMul.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col>
<col>
<col>
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>bn</p></td>
<td class="parameter_description"><p>the pointer to BN.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>multiplier</p></td>
<td class="parameter_description"><p>the multiplier.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="xmlSecBnMul.returns"></a><h4>Returns</h4>
<p> 0 on success or a negative value if an error occurs.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="xmlSecBnDiv"></a><h3>xmlSecBnDiv ()</h3>
<pre class="programlisting"><font><span class="returnvalue">int</span></font>
xmlSecBnDiv (<em class="parameter"><code><font><span class="type">xmlSecBnPtr</span></font> bn</code></em>,
             <em class="parameter"><code><font><span class="type">int</span></font> divider</code></em>,
             <em class="parameter"><code><font><span class="type">int</span></font> *mod</code></em>);</pre>
<p>Divides <em class="parameter"><code>bn</code></em>
 by <em class="parameter"><code>divider</code></em>
 and places modulus into <em class="parameter"><code>mod</code></em>
.</p>
<div class="refsect3">
<a name="xmlSecBnDiv.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col>
<col>
<col>
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>bn</p></td>
<td class="parameter_description"><p>the pointer to BN.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>divider</p></td>
<td class="parameter_description"><p>the divider</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>mod</p></td>
<td class="parameter_description"><p>the pointer for modulus result.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="xmlSecBnDiv.returns"></a><h4>Returns</h4>
<p> 0 on success or a negative value if an error occurs.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="xmlSecBnAdd"></a><h3>xmlSecBnAdd ()</h3>
<pre class="programlisting"><font><span class="returnvalue">int</span></font>
xmlSecBnAdd (<em class="parameter"><code><font><span class="type">xmlSecBnPtr</span></font> bn</code></em>,
             <em class="parameter"><code><font><span class="type">int</span></font> delta</code></em>);</pre>
<p>Adds <em class="parameter"><code>delta</code></em>
 to <em class="parameter"><code>bn</code></em>
.</p>
<div class="refsect3">
<a name="xmlSecBnAdd.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col>
<col>
<col>
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>bn</p></td>
<td class="parameter_description"><p>the pointer to BN.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>delta</p></td>
<td class="parameter_description"><p>the delta.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="xmlSecBnAdd.returns"></a><h4>Returns</h4>
<p> 0 on success or a negative value if an error occurs.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="xmlSecBnReverse"></a><h3>xmlSecBnReverse ()</h3>
<pre class="programlisting"><font><span class="returnvalue">int</span></font>
xmlSecBnReverse (<em class="parameter"><code><font><span class="type">xmlSecBnPtr</span></font> bn</code></em>);</pre>
<p>Reverses bytes order in <em class="parameter"><code>bn</code></em>
.</p>
<div class="refsect3">
<a name="xmlSecBnReverse.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col>
<col>
<col>
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>bn</p></td>
<td class="parameter_description"><p>the pointer to BN.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="xmlSecBnReverse.returns"></a><h4>Returns</h4>
<p> 0 on success or a negative value if an error occurs.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="xmlSecBnCompare"></a><h3>xmlSecBnCompare ()</h3>
<pre class="programlisting"><font><span class="returnvalue">int</span></font>
xmlSecBnCompare (<em class="parameter"><code><font><span class="type">xmlSecBnPtr</span></font> bn</code></em>,
                 <em class="parameter"><code>const <a class="link" href="xmlsec-xmlsec.html#xmlSecByte" title="xmlSecByte"><span class="type">xmlSecByte</span></a> *data</code></em>,
                 <em class="parameter"><code><a class="link" href="xmlsec-xmlsec.html#xmlSecSize" title="xmlSecSize"><span class="type">xmlSecSize</span></a> dataSize</code></em>);</pre>
<p>Compares the <em class="parameter"><code>bn</code></em>
 with <em class="parameter"><code>data</code></em>
.</p>
<div class="refsect3">
<a name="xmlSecBnCompare.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col>
<col>
<col>
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>bn</p></td>
<td class="parameter_description"><p>the pointer to BN.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>data</p></td>
<td class="parameter_description"><p>the data to compare BN to.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>dataSize</p></td>
<td class="parameter_description"><p>the <em class="parameter"><code>data</code></em>
size.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="xmlSecBnCompare.returns"></a><h4>Returns</h4>
<p> 0 if data is equal, negative value if <em class="parameter"><code>bn</code></em>
is less or positive value if <em class="parameter"><code>bn</code></em>
is greater than <em class="parameter"><code>data</code></em>
.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="xmlSecBnCompareReverse"></a><h3>xmlSecBnCompareReverse ()</h3>
<pre class="programlisting"><font><span class="returnvalue">int</span></font>
xmlSecBnCompareReverse (<em class="parameter"><code><font><span class="type">xmlSecBnPtr</span></font> bn</code></em>,
                        <em class="parameter"><code>const <a class="link" href="xmlsec-xmlsec.html#xmlSecByte" title="xmlSecByte"><span class="type">xmlSecByte</span></a> *data</code></em>,
                        <em class="parameter"><code><a class="link" href="xmlsec-xmlsec.html#xmlSecSize" title="xmlSecSize"><span class="type">xmlSecSize</span></a> dataSize</code></em>);</pre>
<p>Compares the <em class="parameter"><code>bn</code></em>
 with reverse <em class="parameter"><code>data</code></em>
.</p>
<div class="refsect3">
<a name="xmlSecBnCompareReverse.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col>
<col>
<col>
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>bn</p></td>
<td class="parameter_description"><p>the pointer to BN.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>data</p></td>
<td class="parameter_description"><p>the data to compare BN to.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>dataSize</p></td>
<td class="parameter_description"><p>the <em class="parameter"><code>data</code></em>
size.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="xmlSecBnCompareReverse.returns"></a><h4>Returns</h4>
<p> 0 if data is equal, negative value if <em class="parameter"><code>bn</code></em>
is less or positive value if <em class="parameter"><code>bn</code></em>
is greater than <em class="parameter"><code>data</code></em>
.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="xmlSecBnGetNodeValue"></a><h3>xmlSecBnGetNodeValue ()</h3>
<pre class="programlisting"><font><span class="returnvalue">int</span></font>
xmlSecBnGetNodeValue (<em class="parameter"><code><font><span class="type">xmlSecBnPtr</span></font> bn</code></em>,
                      <em class="parameter"><code><font><span class="type">xmlNodePtr</span></font> cur</code></em>,
                      <em class="parameter"><code><a class="link" href="xmlsec-bn.html#xmlSecBnFormat" title="enum xmlSecBnFormat"><span class="type">xmlSecBnFormat</span></a> format</code></em>,
                      <em class="parameter"><code><font><span class="type">int</span></font> reverse</code></em>);</pre>
<p>Converts the node content from <em class="parameter"><code>format</code></em>
 to <em class="parameter"><code>bn</code></em>
.</p>
<div class="refsect3">
<a name="xmlSecBnGetNodeValue.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col>
<col>
<col>
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>bn</p></td>
<td class="parameter_description"><p>the pointer to BN.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cur</p></td>
<td class="parameter_description"><p>the poitner to an XML node.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>format</p></td>
<td class="parameter_description"><p>the BN format.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>reverse</p></td>
<td class="parameter_description"><p>if set then reverse read buffer after reading.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="xmlSecBnGetNodeValue.returns"></a><h4>Returns</h4>
<p> 0 on success and a negative values if an error occurs.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="xmlSecBnSetNodeValue"></a><h3>xmlSecBnSetNodeValue ()</h3>
<pre class="programlisting"><font><span class="returnvalue">int</span></font>
xmlSecBnSetNodeValue (<em class="parameter"><code><font><span class="type">xmlSecBnPtr</span></font> bn</code></em>,
                      <em class="parameter"><code><font><span class="type">xmlNodePtr</span></font> cur</code></em>,
                      <em class="parameter"><code><a class="link" href="xmlsec-bn.html#xmlSecBnFormat" title="enum xmlSecBnFormat"><span class="type">xmlSecBnFormat</span></a> format</code></em>,
                      <em class="parameter"><code><font><span class="type">int</span></font> reverse</code></em>,
                      <em class="parameter"><code><font><span class="type">int</span></font> addLineBreaks</code></em>);</pre>
<p>Converts the <em class="parameter"><code>bn</code></em>
 and sets it to node content.</p>
<div class="refsect3">
<a name="xmlSecBnSetNodeValue.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col>
<col>
<col>
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>bn</p></td>
<td class="parameter_description"><p>the pointer to BN.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cur</p></td>
<td class="parameter_description"><p>the poitner to an XML node.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>format</p></td>
<td class="parameter_description"><p>the BN format.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>reverse</p></td>
<td class="parameter_description"><p>the flag that indicates whether to reverse the buffer before writing.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>addLineBreaks</p></td>
<td class="parameter_description"><p>the flag; it is equal to 1 then linebreaks will be added before and after new buffer content.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="xmlSecBnSetNodeValue.returns"></a><h4>Returns</h4>
<p> 0 on success and a negative values if an error occurs.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="xmlSecBnBlobSetNodeValue"></a><h3>xmlSecBnBlobSetNodeValue ()</h3>
<pre class="programlisting"><font><span class="returnvalue">int</span></font>
xmlSecBnBlobSetNodeValue (<em class="parameter"><code>const <a class="link" href="xmlsec-xmlsec.html#xmlSecByte" title="xmlSecByte"><span class="type">xmlSecByte</span></a> *data</code></em>,
                          <em class="parameter"><code><a class="link" href="xmlsec-xmlsec.html#xmlSecSize" title="xmlSecSize"><span class="type">xmlSecSize</span></a> dataSize</code></em>,
                          <em class="parameter"><code><font><span class="type">xmlNodePtr</span></font> cur</code></em>,
                          <em class="parameter"><code><a class="link" href="xmlsec-bn.html#xmlSecBnFormat" title="enum xmlSecBnFormat"><span class="type">xmlSecBnFormat</span></a> format</code></em>,
                          <em class="parameter"><code><font><span class="type">int</span></font> reverse</code></em>,
                          <em class="parameter"><code><font><span class="type">int</span></font> addLineBreaks</code></em>);</pre>
<p>Converts the <em class="parameter"><code>blob</code></em>
 and sets it to node content.</p>
<div class="refsect3">
<a name="xmlSecBnBlobSetNodeValue.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col>
<col>
<col>
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>data</p></td>
<td class="parameter_description"><p>the pointer to BN blob.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>dataSize</p></td>
<td class="parameter_description"><p>the size of BN blob.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cur</p></td>
<td class="parameter_description"><p>the poitner to an XML node.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>format</p></td>
<td class="parameter_description"><p>the BN format.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>reverse</p></td>
<td class="parameter_description"><p>the flag that indicates whether to reverse the buffer before writing.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>addLineBreaks</p></td>
<td class="parameter_description"><p>if the flag is equal to 1 then
linebreaks will be added before and after
new buffer content.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="xmlSecBnBlobSetNodeValue.returns"></a><h4>Returns</h4>
<p> 0 on success and a negative values if an error occurs.</p>
</div>
</div>
</div>
<div class="refsect1">
<a name="xmlsec-bn.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="xmlSecBnFormat"></a><h3>enum xmlSecBnFormat</h3>
<p>The big numbers formats.</p>
<div class="refsect3">
<a name="xmlSecBnFormat.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col>
<col>
<col>
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="xmlSecBnBase64"></a>xmlSecBnBase64</p></td>
<td class="enum_member_description"><p>the base64 decoded binary blob.</p></td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="xmlSecBnHex"></a>xmlSecBnHex</p></td>
<td class="enum_member_description"><p>the hex number.</p></td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="xmlSecBnDec"></a>xmlSecBnDec</p></td>
<td class="enum_member_description"><p>the decimal number.</p></td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
</div>
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